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九州周辺海底堆積物における砂,シルト,粘土分のCHN組成


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タイトル: 九州周辺海底堆積物における砂,シルト,粘土分のCHN組成
その他のタイトル: CHN Contents in the Sand Silt, Clay fractions of the Marine Sediments around Kyushu, Japan
著者: 近藤, 寛
著者(別表記) : Kondo, Hiroshi
発行日: 1982年 2月28日
出版者: 長崎大学教育学部
引用: 長崎大学教育学部自然科学研究報告. vol.33, p.93-106; 1982
抄録: The present paper describes the organic C, total H and total N contents in the sand, silt and clay fractions of the bottom sediment samples from Hyuga Nada, Tomie Bay Imari Bay and Ariake Sea in terms of their areal variation and in relation to the sand, silt and clay contents of the sediments, The following results were obtained. 1) The abundance of organic C in the sand fraction of the samples from Hyuga Nada, Imari Bay (inside) and Ariake Sea (tidal flat) decrease with increasing the sand concentraton (Fig.2). The decrease of organic C is generally atributed to the dilution by a lot of inorganic matter particles. No correlation exists between the organic C contents in the sand fraction and sand contents of the samples con taining large amount of calcium carbonate from Tomie Bay and Imari Bay (outside). 2) The abundance of organic C in the clay fraction of the samples from Imari Bay (inside) and Ariake Sea which are nearshore bays may be inversely correlated with the concentration of clay. It seems that large amount of clay dilute the contents of organic C in the clay fraction. On the other hand, the organic C contents in the clay fraction of the samples from Tomie Bay and Imari Bay (outside) are higher than the others and may be correlated with the clay contents. The organic C contents is the clay fraction show the distinct areal trends (Fig.5). 3) In spite of the clay contents in the sediment samples from the Hyuga Nada and Tomie Bay are low, the organic C and total N contents in the clay fraction are so high that they remakably influence the organic C and total N contents of the sediment samples respectively (Fig.6).
URI: http://hdl.handle.net/10069/32601
ISSN: 0386443X
資料タイプ: Departmental Bulletin Paper
原稿種類: publisher
出現コレクション:第33号

引用URI : http://hdl.handle.net/10069/32601

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